| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day. | 237 |
11.7%
|
| 2 | Sometimes. | 439 |
21.6%
|
| 3 | Never | 1155 |
56.8%
|
| 4 | Don't know | 202 |
9.9%
|
| Sysmiss | 14 |